Macのrbenv上でCocoaPods

rbenvを使った作業ログです。
- [pod](https://cocoapods.org)コマンドを使いたい
- システム側を汚したくない
という背景の。

例によってanyenv管轄のrbenvです。
anyenvを導入したい方は[このへん](http://qiita.com/maosanhioro/items/047a4b924a758f4eb269)とか！

# 環境
- OSX EL Capitan 10.11.1

# 作業ログ
```bash
# まずはanyenv本体のバージョンアップ
$ anyenv update

# rbenvもあったよね、と確認してインストール
$ anyenv install -l
$ anyenv install rbenv
$ exec $SHELL -l

# インストール可能なRubyバージョンの確認
$ rbenv install -l

# 安定板とおぼしき2.2.3をインストール
$ rbenv install 2.2.3
Downloading ruby-2.2.3.tar.gz...
-> https://dqw8nmjcqpjn7.cloudfront.net/df795f2f99860745a416092a4004b016ccf77e8b82dec956b120f18bdc71edce
Installing ruby-2.2.3...
Installed ruby-2.2.3 to $HOME/.anyenv/envs/rbenv/versions/2.2.3

# 標準バージョンにしてしまう
$ rbenv global 2.2.3
$ exec $SHELL -l
$ rbenv versions
  system
* 2.2.3 (set by $HOME/.anyenv/envs/rbenv/version)
$ which ruby && ruby -v
$HOME/.anyenv/envs/rbenv/shims/ruby
ruby 2.2.3p173 (2015-08-18 revision 51636) [x86_64-darwin15]
$ which gem && gem -v
$HOME/.anyenv/envs/rbenv/shims/gem
2.4.5.1

# やっと本題のCocoaPodsをインストール
$ gem install cocoapods
Fetching: nap-1.0.0.gem (100%)
Successfully installed nap-1.0.0
Fetching: thread_safe-0.3.5.gem (100%)
Successfully installed thread_safe-0.3.5
Fetching: tzinfo-1.2.2.gem (100%)
Successfully installed tzinfo-1.2.2
Fetching: i18n-0.7.0.gem (100%)
Successfully installed i18n-0.7.0
Fetching: activesupport-4.2.5.gem (100%)
Successfully installed activesupport-4.2.5
Fetching: escape-0.0.4.gem (100%)
Successfully installed escape-0.0.4
Fetching: colored-1.2.gem (100%)
Successfully installed colored-1.2
Fetching: molinillo-0.4.0.gem (100%)
Successfully installed molinillo-0.4.0
Fetching: netrc-0.7.8.gem (100%)
Successfully installed netrc-0.7.8
Fetching: cocoapods-trunk-0.6.4.gem (100%)
Successfully installed cocoapods-trunk-0.6.4
Fetching: cocoapods-try-0.5.1.gem (100%)
Successfully installed cocoapods-try-0.5.1
Fetching: cocoapods-stats-0.6.2.gem (100%)
Successfully installed cocoapods-stats-0.6.2
Fetching: cocoapods-search-0.1.0.gem (100%)
Successfully installed cocoapods-search-0.1.0
Fetching: cocoapods-plugins-0.4.2.gem (100%)
Successfully installed cocoapods-plugins-0.4.2
Fetching: cocoapods-downloader-0.9.3.gem (100%)
Successfully installed cocoapods-downloader-0.9.3
Fetching: claide-0.9.1.gem (100%)
Successfully installed claide-0.9.1
Fetching: xcodeproj-0.28.2.gem (100%)
Successfully installed xcodeproj-0.28.2
Fetching: fuzzy_match-2.0.4.gem (100%)
Successfully installed fuzzy_match-2.0.4
Fetching: cocoapods-core-0.39.0.gem (100%)
Successfully installed cocoapods-core-0.39.0
Fetching: cocoapods-0.39.0.gem (100%)
Successfully installed cocoapods-0.39.0
Parsing documentation for nap-1.0.0
Installing ri documentation for nap-1.0.0
Parsing documentation for thread_safe-0.3.5
Installing ri documentation for thread_safe-0.3.5
Parsing documentation for tzinfo-1.2.2
Installing ri documentation for tzinfo-1.2.2
Parsing documentation for i18n-0.7.0
Installing ri documentation for i18n-0.7.0
Parsing documentation for activesupport-4.2.5
Installing ri documentation for activesupport-4.2.5
Parsing documentation for escape-0.0.4
Installing ri documentation for escape-0.0.4
Parsing documentation for colored-1.2
Installing ri documentation for colored-1.2
Parsing documentation for molinillo-0.4.0
Installing ri documentation for molinillo-0.4.0
Parsing documentation for netrc-0.7.8
Installing ri documentation for netrc-0.7.8
Parsing documentation for cocoapods-trunk-0.6.4
Installing ri documentation for cocoapods-trunk-0.6.4
Parsing documentation for cocoapods-try-0.5.1
Installing ri documentation for cocoapods-try-0.5.1
Parsing documentation for cocoapods-stats-0.6.2
Installing ri documentation for cocoapods-stats-0.6.2
Parsing documentation for cocoapods-search-0.1.0
Installing ri documentation for cocoapods-search-0.1.0
Parsing documentation for cocoapods-plugins-0.4.2
Installing ri documentation for cocoapods-plugins-0.4.2
Parsing documentation for cocoapods-downloader-0.9.3
Installing ri documentation for cocoapods-downloader-0.9.3
Parsing documentation for claide-0.9.1
Installing ri documentation for claide-0.9.1
Parsing documentation for xcodeproj-0.28.2
Installing ri documentation for xcodeproj-0.28.2
Parsing documentation for fuzzy_match-2.0.4
Installing ri documentation for fuzzy_match-2.0.4
Parsing documentation for cocoapods-core-0.39.0
Installing ri documentation for cocoapods-core-0.39.0
Parsing documentation for cocoapods-0.39.0
Installing ri documentation for cocoapods-0.39.0
Done installing documentation for nap, thread_safe, tzinfo, i18n, activesupport, escape, colored, molinillo, netrc, cocoapods-trunk, cocoapods-try, cocoapods-stats, cocoapods-search, cocoapods-plugins, cocoapods-downloader, claide, xcodeproj, fuzzy_match, cocoapods-core, cocoapods after 15 seconds
20 gems installed

# めでたし
$ which pod && pod --version
$HOME/.anyenv/envs/rbenv/shims/pod
0.39.0
```